EP4259558B1 - Vorrichtung zum befüllen eines behälters mit schüttgut - Google Patents

Vorrichtung zum befüllen eines behälters mit schüttgut Download PDF

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Publication number
EP4259558B1
EP4259558B1 EP22722805.3A EP22722805A EP4259558B1 EP 4259558 B1 EP4259558 B1 EP 4259558B1 EP 22722805 A EP22722805 A EP 22722805A EP 4259558 B1 EP4259558 B1 EP 4259558B1
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EP
European Patent Office
Prior art keywords
sand
filling
container
control device
measuring device
Prior art date
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Active
Application number
EP22722805.3A
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German (de)
English (en)
French (fr)
Other versions
EP4259558C0 (de
EP4259558A1 (de
Inventor
Werner Bartling
Alexander Reich
Ralf Weiss
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Nowe GmbH
Original Assignee
Nowe GmbH
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Filing date
Publication date
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Application granted granted Critical
Publication of EP4259558C0 publication Critical patent/EP4259558C0/de
Publication of EP4259558B1 publication Critical patent/EP4259558B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
    • B65G53/06—Gas pressure systems operating without fluidisation of the materials
    • B65G53/10—Gas pressure systems operating without fluidisation of the materials with pneumatic injection of the materials by the propelling gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B1/16—Methods of, or means for, filling the material into the containers or receptacles by pneumatic means, e.g. by suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/28—Controlling escape of air or dust from containers or receptacles during filling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/18—Preventing escape of dust
    • B65G69/181—Preventing escape of dust by means of sealed systems
    • B65G69/182—Preventing escape of dust by means of sealed systems with aspiration means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/42—Filling nozzles
    • B67D7/44—Filling nozzles automatically closing
    • B67D7/46—Filling nozzles automatically closing when liquid in container to be filled reaches a predetermined level
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • G01F23/2928—Light, e.g. infrared or ultraviolet for discrete levels using light reflected on the material surface
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet

Definitions

  • the invention relates to a device for filling a container with sand for use in sanding systems to support the braking and drive technology of rail vehicles, with a storage container for the sand with a closable lid and an outlet, a dosing device arranged under the storage container, a pneumatic conveying device for conveying the sand with the aid of compressed air into the container to be filled via a conveying hose with a blow-out lance at the free end, wherein a control device is provided for controlling the filling process, and a suction nozzle is arranged on the blow-out lance, wherein the suction nozzle is connected via a suction hose to a suction and dust extraction device with a filter and a dust collection container.
  • the present invention relates to a device for filling a sand container, as used in rail-bound and powered vehicles in sanding systems to support the braking and drive technology.
  • the sand containers in rail vehicles are usually filled with grit manually or semi-automatically. Apart from the fact that filling the sand containers is very time-consuming and physically demanding, it often also leads to considerable dust development, which endangers the health of the staff and requires protective measures.
  • the AT 522 142 B1 a generic filling device of the type in question.
  • a pressure sensor arranged in the conveying device, which is connected to the control device, can detect a counter pressure that occurs when the container to be filled reaches the filling limit. This can initiate an automatic shutdown of the conveying of the sand.
  • the counter pressure which is in the range of a few millibars, for example, does not represent a reliable option for automatically controlling the filling process.
  • a filling device for a liquid container has become known, wherein light guides of an electro-optical distance measuring device are arranged on the dispensing gun in order to measure the liquid level during to measure filling.
  • the EN 10 2017 118 867 A1 relates to a loading head for loading bulk goods into freight wagons, which differs from the subject matter of the present invention.
  • the DE 9006250 U1 relates to a filling nozzle with a distribution device for bulk materials, whereby during the filling process an extraction of the air in an annular space between the filling pipe and the outer bellows through an extraction nozzle is mentioned.
  • the US 3,881,610 A and US 4,225,033 A generally describe filling devices for bulk materials with precautions against dust development.
  • the object of the present invention is therefore to create a filling device as mentioned above which enables reliable automatic shutdown of the filling process and reduces the risk of overfilling and the escape of sand and dust during the filling process. Disadvantages of known filling devices should be avoided or at least reduced.
  • a filling device in which an electro-optical distance measuring device connected to the control device is provided with a light guide for measuring the level of the sand in the container during the filling process, furthermore the control device is connected to a measuring device for detecting the level of the sand in the container and to a sensor in the storage container for detecting the level of the sand in the storage container, which measuring device and which sensor are connected to a higher-level control center, and the suction nozzle is arranged coaxially around the blow-out lance, wherein the free end of the light guide of the electro-optical distance measuring device is arranged in the area of the blow-out lance on the suction nozzle.
  • An electro-optical distance measuring device is used to measure a distance by measuring the transit time of a short light pulse that is emitted via a light guide, reflected at a target and again by the same light guide. is received.
  • a laser pulse is usually used as a light signal.
  • the electro-optical distance measuring device can be arranged at any point on the filling device and is connected to the light guide, the free end of which is arranged in the area of the blow-out lance. This makes it possible to measure the level of sand in the container to be filled during the filling process.
  • the free end of the light guide via which the light pulses for distance measurement are sent and received again, also points into the container. This ensures reliable detection of the filling state in the container and timely deactivation of the sand conveyance. Compared to measuring the back pressure, such an optical measurement directly in the container to be filled is more precise and safer. According to the invention, the filling process is ended in good time and undesirable escape of sand at the end of the filling process is avoided.
  • the filling device can be informed via the higher-level control center when there is a need for filling. Because a sensor for detecting the level of sand in the storage container is provided in the storage container and is connected to the control device, it is also possible to indicate in good time that the storage container needs to be refilled. The level in the storage container can also be used to determine whether it will even be possible to fill a container with sand using the amount of sand available.
  • the sensor can be implemented in the form of a capacitive sensor, for example.
  • the suction nozzle is preferably arranged so that it can be moved and fixed in the longitudinal direction of the blow-out lance. This allows optimal positioning of the suction nozzle and thus optimal dust collection or dust extraction.
  • the suction nozzle is arranged coaxially around the blow-out lance, with the free end of the light guide of the electro-optical distance measuring device being arranged on the suction nozzle.
  • the suction nozzle is connected to a suction and dust extraction device via a suction hose.
  • any dust that is collected and extracted is collected in appropriate collecting containers and can thus be disposed of easily and safely. Since dust from grit is usually breathable dust, this waste must be treated as hazardous goods and disposed of accordingly.
  • the electro-optical distance measuring device is relatively inexpensive to implement and is also insensitive to electromagnetic interference. When certain fill levels are reached, for example, an optical or acoustic output of certain signals can be made to inform the operator of the filling device of the current fill level.
  • the control device for controlling the filling process is preferably formed by a microprocessor or microcontroller, which is supplied with electrical energy from an appropriate power supply. The control device is connected to operating elements or a user interface to enable various settings.
  • the light guide of the electro-optical distance measuring device is arranged in a protective hose, damage to the latter can be prevented.
  • the light guide in the protective hose can be guided in a suitable manner from the area of the blow-out lance to the electro-optical distance measuring device, for example along or even within a casing of the conveyor hose.
  • the protective hose can be made of plastic or metal.
  • the electro-optical distance measuring device is formed by a laser distance measuring device.
  • laser distance measuring devices are relatively inexpensive and available in a small size.
  • control device is designed to deactivate the conveying of the sand as soon as the electro-optical distance measuring device measures a predetermined maximum filling level of the sand in the container. In this way, the filling can be switched off automatically without the filling level having to be displayed or output.
  • the control device is advantageously designed to delay the deactivation of the sand conveyance over a predetermined period of time. This allows the conveying hose to be blown free of sand and prevents sand from trickling out of the conveying hose when the conveying hose is pulled out of the opening of the container to be filled, causing contamination and dust formation.
  • This type of time-controlled blow-off function after the filling process has ended which is maintained for a few seconds, for example, allows the conveying hose to be kept free of sand residues.
  • the control device can be connected to a transceiver (transmitter/receiver) for wireless connection to the measuring device for detecting the level of sand in the container.
  • a transceiver transmitter/receiver
  • This enables data to be exchanged between the container for the sand, which is arranged in a rail vehicle, for example, and the filling device.
  • This can inform the filling device or a higher-level control center when the container needs to be filled.
  • This can support the planning of maintenance of the rail vehicle, for example. As a result, the times during which rail vehicles are not available due to maintenance and filling of the containers with sand, for example, can be reduced.
  • a display connected to the control device is provided to show the level of sand in the container, the operator of the filling device can be provided with information about the level.
  • a display can, for example, be in the form of three differently colored Light elements or in the form of a screen to display a numerical value.
  • the display can also be located at a higher level, for example a maintenance center, and does not necessarily have to be mounted on the filling device itself.
  • a sensor for detecting the flow of sand can be provided in the conveying device and connected to the control device. This allows the flow of sand to be monitored during conveying and, for example, blockages can be automatically detected and lead to the output of a visual or acoustic message or to the automatic shutdown of conveying. If no flow of sand is detected after conveying has been activated, this can also be an indication that there is no more sand in the storage container or that a blockage has occurred in the conveying line. During the filling process, fluctuations in the flow sensor are an indication of fluctuations or interruptions in the conveying of sand.
  • the suction and dust extraction device preferably has a filter and a dust collection container.
  • Components in the suction and dust extraction device prevent the dust that may arise during filling from escaping into the atmosphere as far as possible.
  • appropriate filters such as micro-fine filters, are used.
  • the filter system can have an automatic filter cleaning function that enables trouble-free operation of the suction and dust extraction device and thus of the entire filling device.
  • An actuating element preferably an on/off switch, can be arranged on the blow-out lance, which actuating element is connected to the control device. The operating personnel can thus use the actuating element to control the filling process even at a certain distance from the filling device.
  • the conveying device has an injector with several holes for the compressed air.
  • the specially designed conveying device in the form of a so-called jet injector with several holes for the compressed air to convey the sand enables simple, energy-efficient and even conveying of the sand through the conveying hose, even over longer conveying distances and with height differences.
  • the injector preferably has at least five holes, with one hole preferably running centrally in the injector and the other holes arranged in a circle around the central hole. The holes arranged around the central hole can be arranged conically extending outwards.
  • a device 1 for filling a container B with sand 2 is shown schematically with an electro-optical distance measuring device 14 for measuring the filling level V of the sand 2 in the container B during the filling process.
  • the device 1 has a storage container 3 for the sand 2 with a closable lid 4, preferably on the upper side. On the lower side of the storage container 3 there is an outlet 5 through which the sand 2 reaches the dosing device 6 arranged underneath.
  • the storage container 3 is not designed as a pressure vessel in the present design of the filling device 1, which is why it is made of light metal, for example aluminum or an aluminum alloy, or even Plastic and is relatively lightweight.
  • the storage container 3 is preferably essentially cylindrical and conical towards the outlet 5.
  • a visual check of the fill level V' of the sand 2 in the storage container 3 can be carried out via a sight glass 11 located in the storage container 3.
  • sensors 13 for detecting the fill level V' of the 2 can be arranged in the storage container 3.
  • Such sensors 13 can be implemented in various ways, for example as capacitive or optical sensors.
  • the fill level V' can be given as a percentage of the volume of the storage container 3, as the level at which the storage container 3 is filled with sand 2, as the volume of the sand 2 present in the storage container 3 or as the weight of the sand 2 in the storage container 3.
  • a pneumatic conveying device 7 for conveying the sand 2 is arranged below the dosing device 6, which can be designed, for example, in the form of an injector 9 with several bores 10, 10' for the compressed air P (see Fig.3 ).
  • a pressure relief valve 12 can preferably be arranged on the upper side of the storage container 3, through which excess pressure can escape, in particular when filling the storage container 3.
  • the compressed air P is provided via a compressed air connection 23 or a separate compressor 24 and is guided to the various locations, in particular the pneumatic conveying device 7 and possibly the pneumatically designed dosing device 6, via a pressure regulator 19.
  • the pressure regulator 19 can be used to influence the amount of sand 2 discharged via the outlet 5 in the storage container 3 in a very simple manner.
  • the conveyor hose 8 is connected to the outlet of the pneumatic conveyor device 7, via which the sand 2 is transported essentially in a suspended state through the conveyor hose 8.
  • a blow-out lance 25 is arranged, which represents the connecting piece to the filling nozzle of the container B to be filled, for example in a vehicle, in particular a rail vehicle.
  • the blow-out lance 25 is preferably designed as a thick-walled stainless steel pipe and in a appropriate length depending on the respective vehicle type.
  • a sensor 22 for measuring the flow of the sand 2 can be arranged in the pneumatic conveying device 7, which can provide important information about possible blockages or irregular conveying of the sand 2.
  • a control device 20 is provided, which is connected to the most important components of the filling device 1, in particular the sensor 22 for detecting the flow of the sand 2, or an actuating element 31 preferably arranged at the end of the conveyor hose 8 or the blow-out lance 25.
  • the control device 20 is supplied with electrical energy via a corresponding electrical line 32.
  • an energy storage device 36 in particular an accumulator, can be provided, which ensures that the electrical components are supplied with electrical energy for the duration of the filling process.
  • an electro-optical distance measuring device 14 with a light guide 15 is provided for measuring the filling level V of the sand 2 in the container B during the filling process, wherein the free end 16 of the light guide 15 is arranged in the area of the blow-out lance 25.
  • the light guide 15 can be arranged in a protective tube 17 (see Fig.2 ). If the electro-optical distance measuring device 14 detects a predetermined maximum filling level V max of the sand 2 in the container B, the control device 20 can deactivate the conveying of the sand 2, possibly with a post-blowing function (see Fig.4 ).
  • a further measuring device 18 for detecting the filling level V of the sand 2 in the container B can be arranged on the container B, which can also make a statement about the current filling level V in the container B outside of the filling processes (see also Fig.2 ).
  • a suction nozzle 26 is preferably arranged on the blow-out lance 25, which is preferably displaceable and fixable in the longitudinal direction of the blow-out lance 25, so that a corresponding Adaptation to the respective structural conditions can be carried out. Any dust that may arise during the filling process is sucked off via the suction nozzle 26 and collected along a suction hose 27 in a suction and dust extraction device 28, preferably with a filter 29 and a dust collection container 30. This can prevent or at least reduce contamination and prevent personnel from being endangered by the dust.
  • the filling device 1 can be easily moved to the container 3 to be filled, which results in shorter conveying distances and, as a result, the energy costs can be reduced. If at least one wheel 34 is connected to a corresponding drive 35, the movement of the filling device 1 can be made easier.
  • Fig.2 shows a detailed view of the filling device 1 in the container B to be filled with sand 2.
  • the blow-out lance 25 at the free end of the conveyor hose 8 is inserted into a filling opening in the container B during the filling process.
  • a suction nozzle 26 is arranged coaxially around the blow-out lance 25 and is connected via a suction hose 27 to a suction and dust extraction device 28, preferably with a filter 29 and a dust collection container 30 (see Fig.1 ).
  • the suction nozzle 26 is arranged in a jacket-like manner around the blow-out lance 25, so that an annular gap is formed between them, through which the dust generated during the filling process is sucked away.
  • the light guide 15 of the electro-optical distance measuring device 14 is arranged on the suction nozzle 26 and suitably oriented so that the filling level V of the sand 2 in the container B can be recorded during the filling process.
  • the suction of the dust ensures that the free end of the light guide 15 remains clean and allows a reliable distance measurement to be made to determine the filling level V.
  • the light guide 15 is guided in a protective hose 17 to the electro-optical distance measuring device 14, for example along or in a sheath (not shown) of the conveyor hose 8.
  • a further measuring device 18 for detecting the filling level V of the sand 2 in the container B can be arranged on the container B, which can also make a statement about the current filling level V in the container B outside of the filling processes and can forward it to higher-level control centers 38 by means of a transmitter 21.
  • Fig.3 shows an enlarged detail of a pneumatic conveying device 7 designed as an injector 9.
  • the injector 9 has several, preferably at least 5, bores 10, 10', with one bore 10 running centrally and the other bores 10' being arranged in a circle around the central bore 10, preferably at equal angular distances from one another.
  • the outer bores 10' arranged around the central bore 10 can be arranged conically running outwards, for example at an angle ⁇ between 2.5 and 7.5 degrees.
  • This design of a so-called jet nozzle ensures optimal conveying of the sand 2 in the conveying hose 8 with an optimal flow profile of the compressed air P at the outlet of the injector 9 and thus enables a quasi-floating conveyance of the sand 2 within the conveying hose 8 to the container B to be filled.
  • FIG.4 the temporal progression of the filling level V of the sand 2 in the container B to be filled and of the compressed air P for operating the pneumatic conveying device 7 of the filling device 1 during the filling process.
  • the pneumatic conveying device 7 is activated by applying the compressed air P with a working pressure P A to the pneumatic conveying device 7.
  • the filling level V or the volume of sand 2 in the container B increases essentially linearly over time t from a certain remaining filling level V in the container B, which is above a minimum filling level V min .
  • the conveying of the sand 2 is terminated and the compressed air P is switched off at time t E.
  • the pneumatic conveying device 7 continues to operate for a presettable time period ⁇ t, i.e. compressed air P continues to be blown into the pneumatic conveying device 7, as a result of which the conveying device 7 and the conveying hose 8 can be blown free of sand 2.
  • the time period ⁇ t of the after-blowing function can, for example, be between 3 and 10 seconds.
  • the end of the flow of sand 2 through the conveying hose 8 can also be detected using suitably arranged sensors and the compressed air P can then be switched off.
  • the compressed air P is deactivated and the conveying of the sand 2 is thus switched off.
  • the interaction of the electro-optical distance measuring device 14 with the control device 20 ensures a reliable automatic shutdown of the filling device 1 and a rapid, dust-free filling of the container B with sand 2.
  • An additional measuring device 18 for detecting the fill level V of the sand 2 in the container B, a sensor for detecting the fill level V' of the sand 2 in the storage container 3 and their connection, for example via a control center 38, can also ensure that the storage container 3 is filled with sand 2 in good time and that each container B is always filled with a sufficient amount of sand 2, which is absolutely necessary, for example, for a rail vehicle to travel along a planned route.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Basic Packing Technique (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
EP22722805.3A 2021-04-19 2022-04-14 Vorrichtung zum befüllen eines behälters mit schüttgut Active EP4259558B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50287/2021A AT524976B1 (de) 2021-04-19 2021-04-19 Vorrichtung zum Befüllen eines Behälters mit Schüttgut
PCT/EP2022/059992 WO2022223423A1 (de) 2021-04-19 2022-04-14 Vorrichtung zum befüllen eines behälters mit schüttgut

Publications (3)

Publication Number Publication Date
EP4259558A1 EP4259558A1 (de) 2023-10-18
EP4259558C0 EP4259558C0 (de) 2024-06-05
EP4259558B1 true EP4259558B1 (de) 2024-06-05

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EP22722805.3A Active EP4259558B1 (de) 2021-04-19 2022-04-14 Vorrichtung zum befüllen eines behälters mit schüttgut

Country Status (7)

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US (1) US20240367828A1 (pl)
EP (1) EP4259558B1 (pl)
AT (1) AT524976B1 (pl)
CA (1) CA3215667A1 (pl)
ES (1) ES2989525T3 (pl)
PL (1) PL4259558T3 (pl)
WO (1) WO2022223423A1 (pl)

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Publication number Priority date Publication date Assignee Title
DE202024103423U1 (de) 2024-06-25 2025-10-08 Hanning & Kahl Gmbh & Co. Kg Vorrichtung zur Überwachung des Flusses von Streugut in einem Streugutkanal

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WO2022223423A1 (de) 2022-10-27
EP4259558C0 (de) 2024-06-05
CA3215667A1 (en) 2022-10-27
PL4259558T3 (pl) 2024-10-07
US20240367828A1 (en) 2024-11-07
ES2989525T3 (es) 2024-11-26
EP4259558A1 (de) 2023-10-18
AT524976B1 (de) 2024-09-15

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